at the airport, he was arrested by the police.
A.When arrived | B.As arrived |
C.At arriving | D.On his arrival |
Scientists ____ thousands of chemicals before they decided on the right one in the end.
A.tried out | B.found out | C.worked out | D.turned out |
The deserted island is only _______ by boat.
A.suitable | B.practical | C.available | D.accessible |
As is widely acknowledged, a great number of traffic accidents ____ numerous deaths and countless property loss all over the world every year.
A.depend on | B.contribute to | C.result from | D.aim at |
To their great _____, Tom’s problem proved not to be as serious as they had feared.
A.happy | B.worry | C.anxiety | D.relief |
________ we had read your letter _____the true state of affairs.
A.It was until… that we understood | B.It was not until…that we understood |
C.Until …did not we understand | D.Not until… we understood` |